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    Search term:"spme"

    114 matches found for spme

    GC Analysis of Gasoline Residue in Arson Samples on a 100% Methyl Column after SPME using 100 μm PDMS Fiber

    SPME fiber polydimethylsiloxane phase fiber, 100 µm headspace sampling (20 min) 10 sec desorption (splitless mode) (57300-U) column 100% methyl polysiloxane, 30 m x 0.25 mm I.D., 0.25 µm (Supelco equivalent, Equity-1, 28046-U) oven 35 °C (2 min) to 220 °C at 10 °C/min, hold 2 min, to 300 °C at 30 °C...

    GC Analysis of Parabens in Waste Water Effluent on SLB®-5ms after SPME using 85 μm Polyacrylate Fiber

    sample preparation SPME (Solid Phase Microextraction) sample/matrix 7 mL water + 1.75 gm NaCl in 10 mL vial spiked with parabens at 1 µg/L desorption process 270 °C2 min extraction immersion, 35 min SPME fiber SPME Assy, 85 µm Polyacrylate FS, 23 ga, AUTO (White), pk/3 (57294-U) column SLB-5ms, 20 m...

    GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber

    sample/matrix 1 ppb each analyte in 3 mL water (25% NaCl added) in 4 mL vial desorption process 5 min., 310 °C extraction headspace, 40C (20 min), with stirring SPME fiber Carboxen/PDMS, 75 µm (57318) column VOCOL®, 30 m x 0.25 mm I.D., 1.5 µm (24205-U) oven 40C (2 min) to 210C at 8C/min carrier gas...

    GC Analysis of Phenols on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

    sample/matrix Phenols at 25 ppb in 0.1M phosphate buffer, pH 2, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process (30 min. direct immersion with agitation using CombiPal autosampler) extraction 30 min direct immersion with agitation using CombiPal autosampler SPME fiber 60 µm Carbowax (...

    GC Analysis of Parabens on SLB®-5ms after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix parabens, each at 200 ppb in 3 mL water + 25% sodium chloride in a 4 mL vial desorption process 260 °C, 2 min extraction immersion with stirring, 25 °C (15 min) SPME fiber metal fiber assembly coated with 50/30 µm DVB/Carboxen/PDMS (57912-U) column SLB-5ms, 20 m x 0.18 mm I.D., 0.36 µm...

    GC Analysis of Residual Solvents on SPB®-624 after SPME using 100 μm PDMS Fiber

    extraction headspace or immersion sampling (15 min) 1 min desorption SPME fiber polydimethylsiloxane, 100 µm (57300-U) column SPB-624, 75 m x 0.53 mm I.D., 3.0 µm (25432) oven 40 °C (35 min) to 220 °C at 40 °C/min, hold 5 min carrier gas helium, 35 cm/sec inj. temp. splitless (closed 3 min), 200 °C ...

    GC Analysis of Multiple Pesticides on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

    sample/matrix Pesticides at 10 ppb in 0.1M phosphate buffer, pH 7, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process 2 min. at 250C, splitless for 0.75 min. then opened extraction 30 min. direct immersion with agitation using CombiPal autosampler SPME fiber 60 µm Carbowax (PEG) (57354-U...

    GC Analysis of Triazine Herbicides on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

    sample/matrix Triazine herbicides at 2 ppb in 0.1M phosphate buffer, pH 7, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process 2 min at 250C, splitless for 0.75 min then opened extraction 30 min direct immersion with agitation using CombiPal program SPME fiber 60 µm Carbowax (PEG) (57354-...

    GC Analysis of Volatiles in Gin on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber

    sample preparation Solid Phase Microextraction sample/matrix 4 mL gin (94.6 proof) in a 10 mL vial (no salt added) desorption process 270 °C for 3 min extraction headspace, 40 °C for 15 min with agitation SPME fiber 50/30 µm divinylbenzene/Carboxen®/polydimethylsiloxane on StableFlex™ (57298-U) colu...

    GC Analysis of Semivolatiles on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

    sample/matrix Base neutral analytes at 50 ppb and internal standards 25 ppb in 0.1M phosphate buffer, pH 11, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process 2 min at 250C, splitless for 0.75 min then opened extraction 30 min. direct immersion with agitation using CombiPal autosampler ...

    GC Analysis of Volatiles in Water on VOCOL after SPME using 100 μm PDMS Fiber

    sample/matrix 50ppb each analyte in 1.8 mL saturated salt water desorption process 230 °C, splitless (closed 3 min) extraction 5 min immersed in water with rapid stirring SPME fiber polydimethylsiloxane, 100 µm film (57300-U) column VOCOL, 10 m x 0.20 mm I.D., 1.2 µm (24129-U) oven 40 °C (0.75 min),...

    GC Analysis of Volatiles in Water on SPB®-1 after SPME using 100 μm PDMS Fiber

    extraction 5 min immersed in water with rapid stirring SPME fiber polydimethylsiloxane, 100 µm (57300-U) column SPB-1, 10 m x 0.20 mm I.D., 1.2 µm (24134-U) oven 40 °C ( 0.75 min) to 160 °C at 20 °C/min carrier gas helium, 40 cm/sec sample 50ppb each analyte in 1.8 mL saturated salt water inj. temp....

    LC/MS/MS Analysis of Testosterone in Human Serum on Ascentis® Express C18 after Extraction with BioSPME using C18 SPME LC Tips

    sample/matrix human plasma desorption process 30 min with 200 μL of methanol extraction 60 min with 1 mL sample SPME fiber SPME LC Tips C18 (57234-U) column Ascentis Express C18, 5 cm x 2.1 mm I.D., 2.7 μm particles (53822-U) column temp. 40 °C mobile phase [A] 0.1% formic acid in water ; [B] methan...

    LC/MS Analysis of Illicit Phenethylamine and Cathinone"Bath Salts" in Plasma on Ascentis® Express HILIC after Extraction using SPME LC Tips

    sample/matrix Rat plasma was adjusted to pH 3.0 with phosphoric acid and spiked at 50 ng/mL with selected Bath Salt compounds. (A 750 µL aliquot of the spiked plasma was placed into each well of a 1.0 mL 96 well collection plate.) desorption process Desorbed samples were evaporated and reconstituted...

    GC Analysis of Fresh and Rancid Potato Chips on SPB®-1 SULFUR after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix 3 g crushed potato chips in 15 mL vial desorption process 3 min, 250 °C extraction headspace, 65 C, 20 min, with stirring SPME fiber DVB/Carboxen/PDMS, 50/30 µm, StableFlex (57328-U) column SPB-1 SULFUR, 30 m x 0.32 mm I.D., 4.0 µm (24158) oven 45 °C (1.5 min) to 250 °C at 12 °C/min, h...

    GC Analysis of a 7-Component Sulfur Gases Mix on Supel-Q™ PLOT after SPME using 75 μm Carboxen/PDMS Fiber

    sample/matrix sulfur gases in 40 mL vial desorption process 3 min at 290 °C extraction 10 min headspace at 40 °C SPME fiber Carboxen/PDMS, 75 µm (57318) column Supel-Q PLOT, 30 m x 0.32 mm I.D. (24242) oven 45 °C (1 min) to 250 °C at 15 °C/min detector FPD Categories Analytical Chromatography, SPME ...

    LC/MS/MS Analysis of Drugs in Plasma on Ascentis® Express C18 after Extraction using SPME LC Tips

    sample preparation Solid Phase Microextraction sample/matrix rat plasma stabilized with K2EDTA and spiked at 100 ng/mL with each analyte desorption process acetonitrile, 10 minutes extraction immersion with agitation, 30 minutes SPME fiber SPME LC Tips, C18 chemistry (57234-U) column Ascentis Expres...

    GC Analysis of Volatiles in Bourbon Liqueur on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber

    sample preparation Solid Phase Microextraction sample/matrix 4 mL bourbon liqueur (70 proof) in a 10 mL vial (no salt added) desorption process 270 °C for 3 min extraction headspace, 40 °C for 15 min with agitation SPME fiber 50/30 µm divinylbenzene/Carboxen®/polydimethylsiloxane on StableFlex™ (572...

    GC/MS Analysis of Ethanol in Low Alcohol Beer on SUPELCOWAX® 10 after Headspace SPME using a 100 μm PDMS Fiber

    sample preparation sample equilibrated prior to extraction for 7 min at 40C, with agitation at 250 rpm sample/matrix 4 mL of diluted low alcohol beer sample in 10 mL headspace vial desorption process 250 °C, 3 min, split 10:1 extraction headspace at 40C for 2 min, agitation at 250 rpm SPME fiber Pk/...

    GC Analysis of Solvents in Water on SPB®-1 SULFUR after SPME using 75 μm Carboxen/PDMS Fiber

    sample/matrix solvents at 20 ppb in 4 mL water + 25% NaCl in 4 mL vial desorption process 270 °C, 5 min extraction immersion, 10 min, rapid stirring SPME fiber carboxen/PDMS, 75 µm (57318) column SPB-1 SULFUR, 30 m x 0.32 mm I.D., 4.0 µm film (24158) oven 50C (2 min) to 150C at 10C/min carrier gas h...

    GC Analysis of Phthalate Esters in Corn Oil (Spiked) on SLB®-5ms after SPME with a 100 μm PDMS Fiber

    sample/matrix corn oil spiked with phthalate esters at 500 µg/kg desorption process 260 °Cfor 4 min extraction headspace, 95 °C (measured in headspace) SPME fiber 100 µm PDMS (57300-U) column F.S. CAP. SLB-5ms 20 m x 0.18 mm I.D., 0.18 µm (28564-U) oven 60 °C (1 min), 10 °C/min to 330 °C (10 min) ca...

    GC Analysis of Trichloroanisole (TCA) and Precursors in Red Wine on SLB®-5ms after SPME using 100 μm PDMS Fiber

    sample/matrix 1.5 mL red wine + 600 µL 5% potassium carbonate + 240 mg sodium chloride + 60 µL acetic anhydride desorption process 250 °C for 3 min extraction headspace, 50 °C for 30 min., with stirring SPME fiber metal fiber coated with 100 µm PDMS (57928-U) column SLB-5ms, 30 m x 0.25 mm I.D., 0.2...

    GC Analysis of Cocaine in Urine on a 100%Methyl Column after SPME using 100 μm PDMS Fiber

    sample/matrix 0.5 mL urine (250 ng each analyte, 20 µL 2.5% NaF) in 1 mL vial desorption process 3 min, 240 °C extraction immersion, 30 min SPME fiber polydimethylsiloxane, 100 µm (57300-U) column 100% methyl polysiloxane, 30 m x 0.32 mm I.D., 0.25 µm (Supelco equivalent, Equity-1, 28055-U) oven 120...

    GC Analysis of Volatiles in Canadian Whiskey on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber

    sample preparation Solid Phase Microextraction sample/matrix 4 mL Canadian whiskey (80 proof) in a 10 mL vial (no salt added) desorption process 270 °C for 3 min extraction headspace, 40 °C for 15 min with agitation SPME fiber 50/30 µm divinylbenzene/Carboxen®/polydimethylsiloxane on StableFlex™ (57...

    GC Analysis of Volatiles in Kentucky Bourbon (Sample 1) on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber, 15%(w/v) Salt Added

    sample preparation Solid Phase Microextraction sample/matrix 4 mL Kentucky bourbon (sample 1, 80 proof) in a 10 mL vial plus 15% sodium chloride (w/v) desorption process 270 °C for 3 min extraction headspace, 40 °C for 15 min with agitation SPME fiber 50/30 µm divinylbenzene/Carboxen®/polydimethylsi...

    GC Analysis of Pyrazines in Peanut Butter on SUPELCOWAX® 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix 5 g peanut butter in 40 mL vial desorption process 270 °C for 5 min extraction headspace, 30 min at 65 °C in heating block SPME fiber divinylbenzene-Carboxen-polydimethylbenzene StableFlex (57328-U) column SUPELCOWAX 10, 30 m x 0.25 mm, 0.25 µm (24079) oven 40 °C (5 min) to 230 °C at 4...

    GC Analysis of Organochlorine Pesticides in Water on SPB®-5 after SPME using 100 μm PDMS Fiber

    sample/matrix 200 ppt each in 2 mL water extraction 15 min immersed in water with rapid stirring SPME fiber polydimethylsiloxane, 100 µm (57300-U) column SPB-5, 15 m x 0.20 mm I.D., 0.20 µm (24165-U) oven 120 °C (1 min) to 180 °C at 30 °C/min, then to 290 °C at 10 °C/min carrier gas helium, 37 cm/se...

    GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber

    sample/matrix 100 mg cheese in 40 mL vial desorption process 250 C, 1 min extraction 65 °C 15 min (headspace) SPME fiber 65 µm Carbowax/divinylbenzene StableFlex (57336-U) column Nukol, 15 m x 0.25 mm, 0.25 µm (24106-U) oven 50 °C (2 min) to 220 °C at 10 °C/min carrier gas helium, 30 cm/sec sample P...

    GC Analysis of Phthalate Esters in Extra Virgin Olive Oil (Spiked) on SLB®-5ms after SPME using 100 μm PDMS Fiber

    sample/matrix 0.5 g extra virgin olive weighed into a 10 mL glass centrifuge tube, spiked with phthalate esters at 2 mg/kg, 3 mL acetonitrile added (vortexed 30 sec, centrifuged 10 min at 3000 rpm, 1.5 mL acetonitrile from the top transferred to a 2 mL vial) desorption process 280 °C for 5 min, spli...

    GC Analysis of Class 2 Residual Solvents on VOCOL® after SPME using 85 μm Polyacrylate Fiber

    sample/matrix 2 mL water + sodium chloride at 25% (pH 11) containing each analyte at 5 ppm, in a 4 mL vial desorption process 250 °C for 3 min extraction heated headspace, 60 °C for 5 min SPME fiber 85 µm Polyacrylate (57304) column VOCOL, 10 m x 0.20 mm I.D., 1.2 µm (24129-U) oven 40 °C (0.75 min),...